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Coelostat
noun
Definitions
Noun
- 1 A device that rotates a telescope so as to keep its orientation constant with relation to the stars.
- 2 optical device used to follow the path of a celestial body and reflect its light into a telescope; has a movable and a fixed mirror wordnet
Etymology
Related to Latin coelestis (“sky”), corrupted form of caelestis, + -stat.
See also for "coelostat"
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